A blue iceberg. Blue icebergs are blue because the ice from which they are formed has been compressed under such enormous pressure that all gas (bubbles) have been squeezed out, leaving only solid water that takes on a deep blue color.
Image ID: 24845
Location: Scotia Sea, Southern Ocean

A blue iceberg. Blue icebergs are blue because the ice from which they are formed has been compressed under such enormous pressure that all gas (bubbles) have been squeezed out, leaving only solid water that takes on a deep blue color.
Image ID: 24846
Location: Scotia Sea, Southern Ocean

Tabular iceberg. The edge of a huge tabular iceberg. Tabular icebergs can be dozens or hundreds of miles in size, have flat tops and sheer sides.
Image ID: 24847
Location: Scotia Sea, Southern Ocean